pre.pretty-json {
  outline: 1px solid #e9e9e9;
  padding: 5px;
  margin: 5px;
  color: #666;
}
pre.pretty-json span.string {
  color: green;
}
pre.pretty-json span.number {
  color: darkorange;
}
pre.pretty-json span.boolean {
  color: blue;
}
pre.pretty-json span.null {
  color: magenta;
}
pre.pretty-json span.key {
  color: red;
}
pre.pretty-json span.sep {
  color: black;
}
